CN203900245U - Lower die of bending machine and laminated-type combined indentation-free bending lower die device - Google Patents
Lower die of bending machine and laminated-type combined indentation-free bending lower die device Download PDFInfo
- Publication number
- CN203900245U CN203900245U CN201420258009.8U CN201420258009U CN203900245U CN 203900245 U CN203900245 U CN 203900245U CN 201420258009 U CN201420258009 U CN 201420258009U CN 203900245 U CN203900245 U CN 203900245U
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- lower die
- bed die
- die body
- bending
- plug
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Abstract
The utility model belongs to the field of bending processing of sheet metal members, and particularly relates to a lower die of a bending machine and a laminated-type combined indentation-free bending lower die device. A processing plane fitted with a to-be-bent workpiece is arranged on a lower die body of the lower die of the bending machine, a groove is formed in the processing plane, a circular-arc-shaped through hole penetrating the lower die body is formed at a position where each of two ends of the groove is jointed with the processing plane adjacent to the two ends, a core rod capable of rotating along the axis of the corresponding circular-arc-shaped through hole is penetratingly arranged in each circular-arc-shaped through hole, and an opening portion of each circular-arc-shaped through hole enables smooth transition to be formed between the processing plane and the groove through surrounding of the surface of each core rod. When a metal plate is subjected to bending processing, the workpiece only contacts with the core rods on the lower die body in the whole process of bending, and the core rods rotate along the moving direction of the metal plate to change conventional static friction into rolling friction after the workpiece contacts with the lower die body and is stressed, so that indentations and scratches on the surface of the workpiece due to being squeezed are eliminated, and appearance quality and accuracy of the workpiece are improved effectively.
Description
Technical field
The utility model belongs to the Bending Processing field of sheet metal component, and the stacked combination that specifically relates to a kind of bender lower die tool and apply this bender lower die tool is without impression bending lower die device.
Background technology
At present, Bending Mould is die apparatus conventional in sheet metal product machine-shaping.Along with the quick update of product, the arrival in Multi-varieties and Small-batch Production epoch.For production cycle, manufacturing cost, the standardized requirement of mould, more and more come highly, traditional Bending Mould is difficult to meet above-mentioned requirements.
Meanwhile, in traditional Bending Processing process, the friction between workpiece and lower mold body is static friction, and this has just caused surface of the work owing to being squeezed, to produce impression and scratch, thereby affects presentation quality and the precision of workpiece.
Summary of the invention
One of the purpose of this utility model is to be to provide a kind of bender lower die tool, and when it has overcome traditional Bending Processing, workpiece exists impression and easily abrades the technological deficiencies such as workpiece, has improved presentation quality and the precision of workpiece.
Another object of the present utility model is to provide a kind of stacked combination without impression bending lower die device, both presentation quality and the precision of workpiece can have been improved, simultaneously it realizes simple in structure, with short production cycle, low cost of manufacture, standard interchangeability is high, effectively adapts to the quick update of product.
In order to solve above-mentioned utility model object, the technical scheme adopting is: a kind of bender lower die tool, it comprises bed die body, on described bed die body, at least there is the processing plane that bending workpieces is treated in a laminating, on processing plane, have one and will treat that bending workpieces is bent into the groove of setting shape, joint between the processing plane that the two ends of groove are adjacent is provided with the circular arc through hole that runs through bed die body, in circular arc through hole, be equipped with the plug that can rotate along its axis, the peristome of circular arc through hole is enclosed and is made to form rounding off between processing plane and groove by mandrel surface.
Preferably, the material of described plug is the alloy that hardness is not less than HRC60.
Preferably, described groove is in the shape of the letter V along the radial section direction of plug, and its bottom is rounding off.
In order to solve another object of above-mentioned utility model, the technical scheme adopting is: stacked combination, without impression bending lower die device, is comprised of above-mentioned bender lower die tool, includes:
Some bed die bodies, make it by setting spacing adjacent arranging successively by spacing adjusting mechanism each other, and plug is walked in the circular arc through hole of each bed die body, if make individual bed die body be combined in one;
Die shoe, it has for placing the installation cavity of some bed die bodies.
Preferably, described spacing adjusting mechanism comprises the installing hole that runs through on bed die body, the axle some bed die bodies being connected successively through installing hole, is sheathed on the spacer on the axle between adjacent bed die body.
Preferably, the length that is sheathed on the spacer on the axle between adjacent bed die body equates.
Preferably, in the installing hole of the bed die body in end, be provided with screw rod, the end of screw rod one end connecting axle, the other end, by nut check, makes some bed die bodies be combined in one.
Preferably, described bed die body is embedded in the installation cavity taking the shape of the letter U of die shoe, between bed die body and die shoe, be provided with detent mechanism, described detent mechanism comprise be arranged at phase the same side on some bed die bodies V-arrangement hollow-out parts, be arranged at the V-arrangement locating piece of cavity inner wall being installed and being matched with the V-arrangement hollow-out parts of bed die body.
Preferably, between described bed die body and die shoe, be also provided with hold-down mechanism, described hold-down mechanism comprises that being arranged at bed die body deviates from a side of V-arrangement hollow-out parts and the pressing plate between cavity inner wall, the clamping screw that passes installation cavity inner wall and connect with pressing plate one side are installed, and the opposite side of pressing plate compresses the side that bed die body deviates from V-arrangement hollow-out parts.
Preferably, the material of described plug is made as the alloy that hardness is not less than HRC60, and described groove is in the shape of the letter V along the radial section direction of plug, and its bottom is rounding off.
Compared with prior art, bender lower die tool of the present utility model, stacked combination are without impression bending lower die device, and its beneficial effect shows:
1) while, adopting bender lower die tool of the present utility model to carry out Bending Processing to sheet metal, workpiece only contacts with the plug on bed die body in whole Forging Process, and plug can rotate along the moving direction (pressing down direction with upper die of bending machine) of sheet material, make workpiece with lower mold body contact after from traditional static friction, become present rolling friction, thereby eliminated impression and scratch that surface of the work produces owing to being squeezed, effectively improved presentation quality and the precision of workpiece.
2), the stacked combination of the utility model when sheet metal is carried out to Bending Processing, can select suitable bed die body, plug, spacer etc. to be assembled into required bending lower die device without impression bending lower die device according to the material of workpiece sheet material, thickness, bending angle and bending length.There is generalization, flexibility, workable, reduced purchase quantity and the kind of Bending Mould, reduced buying expenses, not only increase economic efficiency but also be convenient to mold management and maintenance.
Accompanying drawing explanation
Fig. 1 a～Fig. 1 d is four kinds of preferred embodiments of bender lower die tool of the present utility model.
Fig. 2 is that stacked combination of the present utility model is without the perspective view of impression bending lower die device.
Fig. 3 is that stacked combination of the present utility model is without the side view of impression bending lower die device.
Fig. 4 be in Fig. 3 A-A to view.
In Fig. 1～4, Reference numeral implication is as follows:
10-bed die body 11-processing plane
12-groove 13-V shape hollow-out parts
14-plug 15-circular arc through hole 16-installing hole
20-die shoe 21-installs cavity
22-V shape locating piece 23-pressing plate 24-clamping screw
30-axle 31-spacer
32-screw rod 33-nut.
The specific embodiment
First refer to Fig. 1 a, bender lower die tool specifically comprises bed die body 10, on bed die body 10, there is a laminating and treat the processing plane 11 of bending workpieces, on processing plane 11, have one and will treat that bending workpieces is bent into the groove 12 of setting shape, joint between the processing plane 11 that the two ends of groove 12 are adjacent is provided with the circular arc through hole 15 that runs through bed die body 10, in circular arc through hole 15, be equipped with the plug 14 that can rotate along its axis, the peristome of circular arc through hole 15 is enclosed and is made to form rounding off between processing plane 11 and groove 12 by plug 14 surfaces.
While adopting 10 pairs of sheet metals of above-mentioned bed die body to carry out Bending Processing, workpiece only contacts with the plug 14 on bed die body 10 in whole Forging Process, and plug 14 can rotate along the moving direction (pressing down direction with upper die of bending machine) of sheet material, make workpiece with lower mold body contact after from traditional static friction, become present rolling friction, thereby eliminated impression and scratch that surface of the work produces owing to being squeezed, effectively improved presentation quality and the precision of workpiece.
As preferably, the material of above-mentioned plug 14 is made as the alloy that hardness is not less than HRC60, and it has high accuracy, anti abrasive characteristic, and then has improved precision and the service life of mould.
By Fig. 1 a～Fig. 1 d, can find out, the concrete shape of above-mentioned groove 12 is determined by concrete Bending Processing, such as design, groove 12 is in the shape of the letter V etc. along the radial section direction of plug 14, and certainly, the opening angle of this groove 12 also can be determined according to actual production.In addition, the bottom of this groove 12 is rounding off, can improve crudy and the aesthetics of bending workpieces.
By Fig. 1 d, can find out, bender lower die tool of the present utility model, the processing plane 11 on its bed die body 10 can also design in relative both sides, thereby realizes both sides Bending Processing simultaneously, further to improve Bending Processing efficiency.
Bender lower die tool of the present utility model, both can adopt whole processing, then be divided into Standard Module lamination by mold actual needs uniform thickness, also can use die cast, punch forming, realized batch production.It is very high that it has overall precision, the advantage such as can exchange arbitrarily.
See also Fig. 2～4, it is that stacked combination is without impression bending lower die device, by above-mentioned bender lower die tool, formed, it includes some bed die bodies 10 and die shoe 20, wherein, some bed die bodies 10 make it by setting spacing adjacent arranging successively by spacing adjusting mechanism each other, and plug 14 is walked in the circular arc through hole 15 of each bed die body 10, if make individual bed die body 10 be combined in one.Die shoe 20 has for placing the installation cavity 21 of some bed die bodies 10.
Spacing adjusting mechanism comprises the installing hole 16 that runs through on bed die body 10, the axle 30 some bed die bodies 10 being connected successively through installing hole 16, is sheathed on the spacer 31 on the axle 30 between adjacent bed die body 10.As preferably, the length that is sheathed on the spacer 31 on the axle 30 between adjacent bed die body 10 equates.
Meanwhile, in the installing hole 16 of the bed die body 10 in end, be provided with screw rod 32, the end of screw rod 32 one end connecting axles 30, the other end is locked by nut 33, makes some bed die bodies 10 be combined in one.
Bed die body 10 is embedded in the installation cavity 21 taking the shape of the letter U of die shoe 20, between bed die body 10 and die shoe 20, be provided with detent mechanism and hold-down mechanism, detent mechanism comprise be arranged at phase the same side on some bed die bodies 10 V-arrangement hollow-out parts 13, be arranged at the V-arrangement locating piece 22 of cavity 21 inwalls being installed and being matched with the V-arrangement hollow-out parts 13 of bed die body 10.Hold-down mechanism comprises that being arranged at bed die body 10 deviates from a side of V-arrangement hollow-out parts 13 and the pressing plate 23 between cavity 21 inwalls, the clamping screw 24 that passes installation cavity 21 inwalls and connect with pressing plate 23 1 sides are installed, and the opposite side of pressing plate 23 compresses the side that bed die body 10 deviates from V-arrangement hollow-out parts 13.
Above-mentioned stacked combination without impression bending lower die device when mounted, is serially connected several bed die bodies 10 by axle 30 and spacer 31, and by screw rod 32 and nut 33 lockings, makes it be combined in one.Then the bed die of this integral type is placed in die shoe 20, the V-arrangement hollow-out parts 13 of bed die body 10 is sticked in the V-arrangement locating piece 22 that cavity 21 inwalls are installed, and promote pressing plate 23 by clamping screw 24, realization is fixed on bed die in die shoe 20, finally plug 14 is inserted in the circular arc through hole 15 of some bed die bodies 10, thereby form stacked combination of the present utility model without impression bending lower die device.
The stacked combination of the utility model when sheet metal is carried out to Bending Processing, can select suitable bed die body, plug, spacer etc. to be assembled into required bending lower die device without impression bending lower die device according to the material of workpiece sheet material, thickness, bending angle and bending length.There is generalization, flexibility, workable, reduced purchase quantity and the kind of Bending Mould, reduced buying expenses, not only increase economic efficiency but also be convenient to mold management and maintenance.
Therefore, stacked combination of the present utility model shows without the advantage of impression bending lower die device:
1, simple in structure, standardization interchangeability is high, workable.
2, have generalization, flexibility, fast response time, increases work efficiency.
3, be suitable for modularization standardization processing, shorten the Mold Making cycle, reduce die cost, increase economic efficiency.
Presentation quality and the precision of the sheet metal product 4, improving.
Claims (10)
1. a bender lower die tool, it comprises bed die body (10), it is characterized in that: on described bed die body (10), at least there is a laminating and treat the processing plane of bending workpieces (11), on processing plane (11), have one and will treat that bending workpieces is bent into the groove (12) of setting shape, joint between the processing plane (11) that the two ends of groove (12) are adjacent is provided with the circular arc through hole (15) that runs through bed die body (10), in circular arc through hole (15), be equipped with the plug (14) that can rotate along its axis, the peristome of circular arc through hole (15) is enclosed and is made to form rounding off between processing plane (11) and groove (12) by plug (14) surface.
2. bender lower die tool according to claim 1, is characterized in that: the material of described plug (14) is made as the alloy that hardness is not less than HRC60.
3. bender lower die tool according to claim 1, is characterized in that: described groove (12) is in the shape of the letter V along the radial section direction of plug (14), and its bottom is rounding off.
4. the stacked combination being comprised of bender lower die tool described in claim 1, without an impression bending lower die device, includes:
Some bed die bodies (10), by spacing adjusting mechanism, make it by setting spacing adjacent arranging successively each other, plug (14) is walked in the circular arc through hole (15) of each bed die body (10), makes several bed die bodies (10) be combined in one;
Die shoe (20), it has for placing the installation cavity (21) of some bed die bodies (10).
5. stacked combination according to claim 4, without impression bending lower die device, is characterized in that: described spacing adjusting mechanism comprises the installing hole (16) that runs through on bed die body (10), the axle (30) some bed die bodies (10) being connected successively through installing hole (16), is sheathed on the spacer (31) on the axle (30) between adjacent bed die body (10).
6. stacked combination according to claim 5, without impression bending lower die device, is characterized in that: the length that is sheathed on the spacer (31) on the axle (30) between adjacent bed die body (10) equates.
7. stacked combination according to claim 5 is without impression bending lower die device, it is characterized in that: in the installing hole (16) of the bed die body (10) in end, be provided with screw rod (32), the end of screw rod (32) one end connecting axle (30), the other end, by nut (33) locking, makes some bed die bodies (10) be combined in one.
8. stacked combination according to claim 4 is without impression bending lower die device, it is characterized in that: described bed die body (10) is embedded in the installation cavity (21) taking the shape of the letter U of die shoe (20), between bed die body (10) and die shoe (20), be provided with detent mechanism, described detent mechanism comprises that being arranged at some bed die bodies (10) goes up the V-arrangement hollow-out parts (13) of phase the same side, is arranged at the V-arrangement locating piece (22) of cavity (21) inwall being installed and being matched with the V-arrangement hollow-out parts (13) of bed die body (10).
9. stacked combination according to claim 8 is without impression bending lower die device, it is characterized in that: between described bed die body (10) and die shoe (20), be also provided with hold-down mechanism, described hold-down mechanism comprises that being arranged at bed die body (10) deviates from a side of V-arrangement hollow-out parts (13) and the pressing plate (23) between cavity (21) inwall, the clamping screw (24) that passes installation cavity (21) inwall and connect with pressing plate (23) one sides are installed, and the opposite side of pressing plate (23) compresses the side that bed die body (10) deviates from V-arrangement hollow-out parts (13).
According to the stacked combination described in claim 4-9 any one without impression bending lower die device, it is characterized in that: the material of described plug (14) is made as the alloy that hardness is not less than HRC60, described groove (12) is in the shape of the letter V along the radial section direction of plug (14), and its bottom is rounding off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258009.8U CN203900245U (en) | 2014-05-20 | 2014-05-20 | Lower die of bending machine and laminated-type combined indentation-free bending lower die device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258009.8U CN203900245U (en) | 2014-05-20 | 2014-05-20 | Lower die of bending machine and laminated-type combined indentation-free bending lower die device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203900245U true CN203900245U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420258009.8U Withdrawn - After Issue CN203900245U (en) | 2014-05-20 | 2014-05-20 | Lower die of bending machine and laminated-type combined indentation-free bending lower die device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203900245U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962457A (en) * | 2014-05-20 | 2014-08-06 | 安徽联盟模具工业股份有限公司 | Lower die of bending machine and laminated-type combined indentation-free bending lower die device |
| CN105728565A (en) * | 2016-04-22 | 2016-07-06 | 安徽联盟模具工业股份有限公司 | Rotating flip type no-indention mold |
| CN108607913A (en) * | 2017-04-25 | 2018-10-02 | 山东嘉意机械有限公司 | Flange fixing installation and flanging bending integral machine |
| CN109435306A (en) * | 2018-10-23 | 2019-03-08 | 郑华 | The U-shaped discrete mold formation system of crane arm |
| CN110142338A (en) * | 2019-05-27 | 2019-08-20 | 山东鸿星新材料科技股份有限公司 | A kind of metal composite curtain wall arc panel loose tool and hot composition process |
-
2014
- 2014-05-20 CN CN201420258009.8U patent/CN203900245U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962457A (en) * | 2014-05-20 | 2014-08-06 | 安徽联盟模具工业股份有限公司 | Lower die of bending machine and laminated-type combined indentation-free bending lower die device |
| CN105728565A (en) * | 2016-04-22 | 2016-07-06 | 安徽联盟模具工业股份有限公司 | Rotating flip type no-indention mold |
| CN108607913A (en) * | 2017-04-25 | 2018-10-02 | 山东嘉意机械有限公司 | Flange fixing installation and flanging bending integral machine |
| CN109435306A (en) * | 2018-10-23 | 2019-03-08 | 郑华 | The U-shaped discrete mold formation system of crane arm |
| CN110142338A (en) * | 2019-05-27 | 2019-08-20 | 山东鸿星新材料科技股份有限公司 | A kind of metal composite curtain wall arc panel loose tool and hot composition process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20161005 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |